Gestão integrada da barragem algodões II, município de Curimatá Piauí - Brasil

Abstract

This study aimed to characterize the Algodões II Dam, located in the county of Curimatá-Piauí. Emphasizing the munitions that make up the Curimatá River basin. The study area comprises three municipalities in which the Algodões Dam II has its coverage areas, as well as data from the corresponding basin, mainly considering the municipality of the city of Curimatá. Data collection was done through information available in the Reservoir Monitoring System - SAR, the National System of Information on Water Resources - SNIRH, systems coordinated by the National Water Agency - ANA, Google Earth tools and GIS Quantum GIS. Completed in 2005 through the state government in partnership with COMDEPI - Development Company of the State of Piauí. The dam is in a management unit called Parnaíba 03, with 52,297 km², which comprises the entire drainage area of the Gurguéia. A river Historical sequence of satellite images shows the changes that occurred in the dam region, as well as the changes caused by the installation of the reservoir, with the predominance of agricultural areas, making the region vulnerable to the occurrence of contamination by agricultural pesticides. In addition, this practice can lead to problems of land use and occupation. Being a monitoring and interventions in these occurrences. The region goes through great periods of drought, becoming the reservoir essential for the supply of the surrounding municipalities